13 Meanwhile as a pledge of heavenly favors and in evidence of Our paternal good will we bestow most lovingly in the Lord the Apostolic Benediction on you, Venerable Brethren, and on all the clergy and people entrusted to your care and vigilance. Given at Rome, at St. Peter's, the fifth day of April, MDCCCCVI, in the third year of Our Pontificate.
Source: Tribus Circiter (Vatican.va)